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package POE::Component::RemoteTail; |
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457
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use strict; |
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use warnings; |
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use POE; |
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use POE::Component::RemoteTail::Job; |
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use POE::Component::IKC::Server; |
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use POE::Wheel::Run; |
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use POE::Filter::Reference; |
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use Class::Inspector; |
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use Data::Dumper; |
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use constant DEBUG => 0; |
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use UNIVERSAL::require; |
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our $VERSION = '0.00001_00'; |
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*debug = DEBUG |
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? sub { |
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my $mess = shift; |
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print STDERR $mess, "\n"; |
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} |
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: sub { }; |
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sub spawn { |
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my $class = shift; |
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my $self = $class->new(@_); |
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$self->{alias} ||= "tailer"; |
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$self->{port} ||= 9999; |
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$self->{name} ||= "RemoteTail"; |
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POE::Component::IKC::Server->spawn( |
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port => $self->{port}, |
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name => $self->{name}, |
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); |
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POE::Session->create( |
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object_states => [ $self => Class::Inspector->methods($class) ], ); |
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} |
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sub new { |
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my $class = shift; |
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my %args = @_; |
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return bless {%args}, $class; |
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} |
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sub job { |
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my $self = shift; |
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my %args = @_; |
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my $job = POE::Component::RemoteTail::Job->new(%args); |
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return $job; |
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} |
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sub execute { |
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my ( $self, $kernel, $session, $heap, $arg ) = |
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@_[ OBJECT, KERNEL, SESSION, HEAP, ARG0 ]; |
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$heap->{postback} = $arg->{postback}; |
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my $job = $arg->{job}; |
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$job->{port} = $self->{port}; |
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$kernel->post( $session, "_spawn_child" => $job ); |
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} |
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sub stop_tail { |
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my ( $self, $kernel, $session, $heap, $job ) = |
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@_[ OBJECT, KERNEL, SESSION, HEAP, ARG0 ]; |
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debug("STOP:$job->{id}"); |
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my $task = $heap->{task}->{ $job->{id} }; |
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$task->kill; |
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delete $heap->{task}->{ $job->{id} }; |
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undef $job; |
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} |
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sub _start { |
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my ( $self, $kernel ) = @_[ OBJECT, KERNEL ]; |
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$kernel->alias_set( $self->{alias} ); |
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$kernel->call( IKC => publish => $self->{alias}, ["_ikc_logger"] ); |
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} |
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sub _ikc_logger { |
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my ( $self, $kernel, $heap, $request ) = @_[ OBJECT, KERNEL, HEAP, ARG0 ]; |
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my ( $data, $rsvp ) = @$request; |
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my ( $host, $log ) = @$data; |
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$heap->{postback}->( $host, $log ); |
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$kernel->call( IKC => post => $rsvp, 1 ); |
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} |
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sub _spawn_child { |
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my ( $self, $kernel, $session, $heap, $job, $sender ) = |
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@_[ OBJECT, KERNEL, SESSION, HEAP, ARG0, SENDER ]; |
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# prepare ... |
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my $class = $job->{process_class}; |
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$class->require or die(@!); |
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$class->new(); |
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my %program = ( Program => sub { $class->process_entry($job) }, ); |
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$SIG{CHLD} = "IGNORE"; |
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108
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# run wheel |
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my $task = POE::Wheel::Run->new( |
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%program, |
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StdioFilter => POE::Filter::Line->new(), |
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StdoutEvent => "_got_child_stdout", |
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StderrEvent => "_got_child_stderr", |
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CloseEvent => "_got_child_close", |
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); |
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$heap->{task}->{ $task->ID } = $task; |
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$job->{id} = $task->ID; |
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} |
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sub _got_child_stdout { |
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my $stdout = $_[ARG0]; |
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debug("STDOUT:$stdout"); |
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} |
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sub _got_child_stderr { |
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my $stderr = $_[ARG0]; |
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debug("STDERR:$stderr"); |
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} |
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sub _got_child_close { |
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my ( $heap, $task_id ) = @_[ HEAP, ARG0 ]; |
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delete $heap->{task}->{$task_id}; |
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debug("CLOSE:$task_id"); |
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} |
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137
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1; |
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__END__ |